| Display |  | 
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| LCD | 3 row, Liquid  Crystal Display with backlight | 
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| Digits | Row 1  with 4 digits, row 2 and 3  with 7  digits | 
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| LED | Integration  of  energy  (1000 pulse /kWh) | 
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| Input  Specifications |  | 
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| Electrical connection | 3Ø - 3 wire, 3Ø - 4 wire, 2Ø - 3 wire, 1Ø - 2 wire | 
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| Input voltage range | 19 - 519V AC (L - L), 11 - 300V AC (L - N) | 
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| Frequency | 45Hz - 65Hz | 
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| Measuring  Parameters |  | 
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 | Voltage (L-L/L-N) (individual / average) | 
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 | Current ( 1, 2, 3) (individual / average) | 
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 | Frequency, power factor (individual /average) | 
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 | Active, reactive, apparent power (individual / total) | 
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 | Active, reactive (import / export) | 
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 | Minimum / maximum reactive power | 
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 | Maximum  apparent  power | 
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| Display  reset | Programmable  (for  energy) | 
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| Resolution energy | 0,01k, 0,1k, 1k, 0,01M, 0,1M, 1M (depending upon CT ratio X PT ratio) | 
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| Resolution voltage, current, power | Auto resolution | 
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| Resolution power factor | 0.01 | 
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| Resolution frequency | 0.1Hz | 
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| Accuracy voltage (L-N/L-L), current | ±0,5% of full range | 
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| Accuracy power factor | ±0,01 | 
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| Accuracy frequency | ±0,1 % (for V>20 L-N, V>35 L-L) | 
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| Accuracy power (kW, kVA, kVAr) | 1% | 
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| Accuracy energy (active, reactive, apparent) | 1% | 
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| Memory  retention | 10 years (for energy) | 
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| Overload rating | 20%  continuous over load and able to withstanding 20 times the normal current rating for a period one second. | 
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| Overvoltage rating | Accept input voltage  upto 120% of the nominal voltage | 
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| Power  consumption | 8VA max. | 
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| Output  Specifications |  | 
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| Communication | RS485 MODBUS RTU communication | 
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| Supply specifications |  | 
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| Auxiliary | 85 - 270V AC (50/60Hz) | 
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| Isolation | I/P,  O/P  and  Aux. circuits isolated from each other and earth ground. | 
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| Resettable  Parameters |  | 
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| C.T primary | 5A to 10kA programmable for any value | 
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| C.T secondary | 1A / 5A | 
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| P.T primary | 1 V to 500kV programmable for any value | 
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| P.T secondary | 100V to 500V (L-L) programmable for any value | 
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| Environmental  Specifications |  | 
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| Operating temperature | -5 to +60 C | 
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| Storage temperature | -20 to +75 C | 
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| Humidity | up to 85% (non-condensing) |